diff --git a/test/unittest/model/usb/host/src/usb_raw_io.c b/test/unittest/model/usb/host/src/usb_raw_io.c
index d19eb13698e7f1486ce48bd92cdcb1d760b5ba91..ff638b341939ecb35da89cd1565357aa07df8175 100644
--- a/test/unittest/model/usb/host/src/usb_raw_io.c
+++ b/test/unittest/model/usb/host/src/usb_raw_io.c
@@ -1,3 +1,11 @@
+/*
+ * Copyright (c) 2020-2021 Huawei Device Co., Ltd.
+ *
+ * HDF is dual licensed: you can use it either under the terms of
+ * the GPL, or the BSD license, at your option.
+ * See the LICENSE file in the root of this repository for complete details.
+ */
+
 #include "usb_raw_test.h"
 #include "data_fifo.h"
 #include "device_resource_if.h"